<template>
  <el-dialog :title="showTitle" :visible="showDialog" @close="close">
    <el-form ref="addDept" :model="formData" :rules="rules" label-width="120px">
      <el-form-item prop="name" label="部门名称">
        <el-input
          v-model="formData.name"
          placeholder="2-10个字符"
          style="width: 80%"
          size="mini"
        />
      </el-form-item>
      <el-form-item prop="code" label="部门编码">
        <el-input
          v-model="formData.code"
          placeholder="2-10个字符"
          style="width: 80%"
          size="mini"
        />
      </el-form-item>
      <el-form-item prop="managerId" label="部门负责人">
        <el-select
          v-model="formData.managerId"
          placeholder="请选择负责人"
          style="width: 80%"
          size="mini"
        >
          <!-- 下拉选项 循环 负责人数据 label表示显示的字段 value 存储字段 -->
          <el-option
            v-for="item in managerList"
            :key="item.id"
            :label="item.username"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item prop="introduce" label="部门介绍">
        <el-input
          v-model="formData.introduce"
          placeholder="1-100个字符"
          type="textarea"
          size="mini"
          :rows="4"
          style="width: 80%"
        />
      </el-form-item>
      <el-form-item>
        <!-- 按钮 -->
        <el-row type="flex" justify="center">
          <el-col :span="12">
            <el-button size="mini" type="primary" @click="btnOK"
              >确定</el-button
            >
            <el-button size="mini" @click="close">取消</el-button>
          </el-col>
        </el-row>
      </el-form-item>
    </el-form>
  </el-dialog>
</template>
<script>
import {
  getDepartment,
  getManagerList,
  addDepartment,
  getDepartmentDetail,
  updateDepartment,
} from "@/api/department";
export default {
  name: "AddDept",

  props: {
    showDialog: {
      type: Boolean,
      default: false,
    },
    currentNodeId: {
      type: Number,
      default: null,
    },
  },
  data() {
    return {
      managerList: [], // 存储负责人列表
      formData: {
        name: "", // 部门名称
        code: "", // 部门编码
        managerId: "", // 部门负责人id
        introduce: "", // 部门介绍
        pid: "", // 父级部门的id
      },
      rules: {
        code: [
          { required: true, message: "部门编码不能为空", trigger: "blur" },
          {
            min: 2,
            max: 10,
            message: "部门编码的长度为2-10个字符",
            trigger: "blur",
          },
          {
            trigger: "blur",
            // 自定义校验模式
            validator: async (rule, value, callback) => {
              // value就是输入的编码
              let result = await getDepartment();
              // 判断是否是编辑模式
              if (this.formData.id) {
                // 编辑场景
                result = result.filter((item) => item.id !== this.formData.id);
              }
              // result数组中是否存在 value值
              if (result.some((item) => item.code === value)) {
                callback(new Error("部门中已经有该编码了"));
              } else {
                callback();
              }
            },
          },
        ], // 部门编码
        introduce: [
          { required: true, message: "部门介绍不能为空", trigger: "blur" },
          {
            min: 1,
            max: 100,
            message: "部门介绍的长度为1-100个字符",
            trigger: "blur",
          },
        ], // 部门介绍
        managerId: [
          { required: true, message: "部门负责人不能为空", trigger: "blur" },
        ], // 部门负责人id
        name: [
          { required: true, message: "部门名称不能为空", trigger: "blur" },
          {
            min: 2,
            max: 10,
            message: "部门名称的长度为2-10个字符",
            trigger: "blur",
          },
          {
            trigger: "blur",
            // 自定义校验模式
            validator: async (rule, value, callback) => {
              // value就是输入的名称
              let result = await getDepartment();
              if (this.formData.id) {
                // 编辑场景 排除自身
                result = result.filter((item) => item.id !== this.formData.id);
              }
              // result数组中是否存在 value值
              if (result.some((item) => item.name === value)) {
                callback(new Error("部门中已经有该名称了"));
              } else {
                callback();
              }
            },
          },
        ], // 部门名称
      },
    };
  },
  created() {
    this.getManagerList();
  },
  computed: {
    showTitle() {
      return this.formData.id ? "编辑部门" : "新增部门";
    },
  },

  methods: {
    close() {
      // 修改父组件的值 子传父
      // resetFields 只能重置在模板中绑定的数据
      this.formData = {
        code: "", // 部门编码
        introduce: "", // 部门介绍
        managerId: "", // 部门负责人id
        name: "", // 部门名称
        pid: "", // 父级部门的id
      };
      this.$refs.addDept.resetFields(); // 重置表单
      // 父组件会自动监听这个事件，并将传递的值赋值给showDialog
      this.$emit("update:showDialog", false);
    },
    async getManagerList() {
      this.managerList = await getManagerList();
    },

    // 点击确定时调用
    btnOK() {
      this.$refs.addDept.validate(async (isOK) => {
        if (isOK) {
          let msg = "新增";
          // 通过formData中id
          if (this.formData.id) {
            // 编辑场景
            msg = "更新";
            await updateDepartment(this.formData);
          } else {
            // 新增场景
            await addDepartment({ ...this.formData, pid: this.currentNodeId });
          }
          // 通知父组件更新
          this.$emit("updateDepartment");
          // 提示消息
          this.$message.success(`${msg}部门成功`);
          this.close();
        }
      });
    },

    // 获取组织的详情
    async getDepartmentDetail() {
      this.formData = await getDepartmentDetail(this.currentNodeId);
    },
  },
};
</script>
